<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
    <script th:src="@{/js/jquery-3.2.1.js}" type="text/javascript"></script>
    <script  type="text/javascript">
        alert(1232222222);
    </script>
</head>
<body>
<form method="post">
    用户名<input name="username" type="text" value=""/><br/>
    密码<input name="password" type="password" value=""/><br/>
    <input type="submit" value="提交"/>
</form>
</body>
</html>